US3406489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading wheel structure
Assignee: Dexco Corp
•
Filing: 1966-12-22
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Granted: 1968-10-22
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
ABRADING WHEEL STRUCTURE WHICH COMPRISES: A WHEEL HAVING A CENTRAL PORTION ADAPTED TO BE MOUNTED ON A SHAFT AND HAVING A PERIPHERAL ABRASIVE SURFACE. SAID WHEEL HAVING A RIM PORTION ADJACENT SAID SURFACE WHICH EXTENDS IN A GENERALLY RADIAL DIRECTION, MEANS DEFINING A PASSAGEWAY HAVING AN AXIALLY DISPOSED OUTLET ADJACENT THE INNER RADIAL EDGE OF SAID RIM PORTION AND HAVING AN INLET RADIALLY INWARD OF SAID OUTLET, AND VANE MEANS EFFECTIVE TO PROMOTE RADIALLY OUTWARD MOVEMENT OF AIR IN SAID PASSAGEWAY RESPONSIVE TO ROTATION OF SAID WHEEL.
Claim 2
Dependent Claim
87 words
ABRADING WHEEL STRUCTURE WHICH COMPRISES: A WHEEL HAVING A CENTRAL PORTION ADAPTED TO BE MOUNTED ON A SHAFT AND HAVING A PERIPHERAL ABRASIVE SURFACE. SAID WHEEL HAVING A RIM PORTION ADJACENT SAID SURFACE WHICH EXTENDS IN A GENERALLY RADIAL DIRECTION, MEANS DEFINING A PASSAGEWAY HAVING AN AXIALLY DISPOSED OUTLET ADJACENT THE INNER RADIAL EDGE OF SAID RIM PORTION AND HAVING AN INLET RADIALLY INWARD OF SAID OUTLET, AND VANE MEANS EFFECTIVE TO PROMOTE RADIALLY OUTWARD MOVEMENT OF AIR IN SAID PASSAGEWAY RESPONSIVE TO ROTATION OF SAID WHEEL.
References Cited (Backward Citations)
US1872502A
Cited
US3282263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |